Home / 49,014.28-67,621.38-28,858.84

Finding the Fourth Proportional to 49,014.28, 67,621.38 and 28,858.84

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Solution

The fourth proportional to 49,014.28, 67,621.38 and 28,858.84 is: 39,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,014.28 : 67,621.38 = 28,858.84 : x
  2. Step 2: Convert to fraction form
    49,014.28/67,621.38 = 28,858.84/x
  3. Step 3: Cross multiply
    49,014.28x = 67,621.38 × 28,858.84
  4. Step 4: Simplify right side
    49,014.28x = 1,951,474,586.00
  5. Step 5: Solve for x
    x = 1,951,474,586.00/49,014.28
  6. Step 6: Final answer
    x = 39,814.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.